Home / 84,458.04-126,434.64-51,077.13

Finding the Fourth Proportional to 84,458.04, 126,434.64 and 51,077.13

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Solution

The fourth proportional to 84,458.04, 126,434.64 and 51,077.13 is: 76,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,458.04 : 126,434.64 = 51,077.13 : x
  2. Step 2: Convert to fraction form
    84,458.04/126,434.64 = 51,077.13/x
  3. Step 3: Cross multiply
    84,458.04x = 126,434.64 × 51,077.13
  4. Step 4: Simplify right side
    84,458.04x = 6,457,918,543.78
  5. Step 5: Solve for x
    x = 6,457,918,543.78/84,458.04
  6. Step 6: Final answer
    x = 76,463.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.